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Small black microSD card with red label and full-size SD adapter

ADATA

ADATA AUSDX64GUI3V30SA2-RA 64GB microSDXC UHS-I U3 V30 A2 100MB/s memory card

SKU CH-6VKJ-WM25Z MPN AUSDX64GUI3V30SA2-RA

64GB microSDXC card with UHS-I U3, V30 and A2 ratings for 4K video and faster app loading

  • TypemicroSDXC
  • Capacity64GB
  • Speed Class RatingUHS-I / U3 / Class 10 / V30 / A2
  • Read Speed100MB/s
  • Write Speed80MB/s
  • FeaturesComply with new UHS-I U3 specifications A2 qualified - help

Capacity 64GB

  • Faster app launches with A2 qualification
  • Sustained 4K capture at V30 30MB/s minimum
  • Quick file transfers up to 100MB/s read
  • Survives water, shock, X-ray and -25 to 85 °C extremes
  • Broad device fit from phones to dashcams

ADATA 64GB microSDXC UHS-I U3 V30 A2

The ADATA Premier Pro microSDXC card provides 64GB of storage for smartphones, tablets, cameras and video recorders. It carries UHS-I U3, Class 10, V30 and A2 ratings to handle app loading and continuous video capture. An SD adapter is included for use in full-size slots. Rugged construction protects against water, shock, X-rays and extreme temperatures.

UHS-I interface limits read to 100MB/s

The UHS-I bus caps maximum sequential read at 100MB/s and write at 80MB/s, so sustained 4K recording relies on the V30 guarantee of 30MB/s minimum. Devices limited to UHS-I speeds cannot benefit from faster UHS-II or UHS-III cards. App performance gains from the A2 rating require host support for command queuing and caching.

Check device supports microSDXC and UHS-I U3

Verify that your device accepts microSDXC cards up to 64GB and can utilise UHS-I U3 speeds for full benefit. Android 6.0 or 7.0 is needed to adopt the card as internal storage for A2 app acceleration. Ensure the host can sustain 30MB/s write for 4K video without frame drops.

Highlights

  • Faster app launches with A2 qualification
  • Sustained 4K capture at V30 30MB/s minimum
  • Quick file transfers up to 100MB/s read
  • Survives water, shock, X-ray and -25 to 85 °C extremes
  • Broad device fit from phones to dashcams

Specifications

BrandADATA
SeriesPremier Pro
ModelAUSDX64GUI3V30SA2-RA1
TypemicroSDXC
Capacity64GB
Speed Class RatingUHS-I / U3 / Class 10 / V30 / A2
Read Speed100MB/s
Write Speed80MB/s
FeaturesComply with new UHS-I U3 specifications
A2 qualified - help to install and run APPs faster
V30 video speed class: can record a minimum 30MB of video per second
High compatibility across multiple devices: smartphones, tablets, digital cameras, and video recorders
Support Full HD 1080p and Ultra HD 4K recording and playback
Rugged durability: waterproof, shockproof, anti-static, X-ray proof, and wide temperature support (-25 to 85 °C)
Shipping weight0.01 kg
Package size102 × 51 × 13 mm

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Questions about this item

Is the 64GB capacity enough for 4K video and apps, or should I choose a larger A2 card?

The 64GB card supports Full HD 1080p and 4K recording plus A2 app performance; larger capacities up to 512GB are available if you need more space for extended footage or many apps.

What does the 100MB/s read speed mean when the card is used in a dashcam or phone?

The 100MB/s peak read speed allows quick file transfers and smooth 4K playback, while the sustained 80MB/s write speed and V30 rating guarantee at least 30MB/s for continuous video recording.

How does the UHS-I interface affect the card's real-world performance?

The UHS-I bus works with the card's U3 and V30 ratings to deliver up to 100MB/s read and 80MB/s write, ensuring the minimum 30MB/s needed for 4K video capture.

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